<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>圆形进度条</title>
  <link rel="stylesheet" href="./progress-circle.css">
  <script src="./progress-circle.js"></script>
</head>
<body>
  <div class="progress-circle">
    <div class="border"></div>
    <div class="wrapper"></div>
    <div class="mask">
      <span>50%</span>
    </div>
  </div>
</body>
</html>